Combined packaging material oxygen permeation test device

Abstract

The utility model discloses a combined packaging material oxygen permeation test device, and relates to the technical field of packaging materials. The device comprises a box body, a getter pump, a gas flow sensor and a clamping frame, the left side of the box body is communicated with a gas inlet pipe, the right side of the box body is communicated with the getter pump, the right end of the getter pump is communicated with the gas flow sensor, the right end of the gas flow sensor is communicated with a three-way pipe, and the back face of the three-way pipe is communicated with a backflow pipe. The other end of the backflow pipe communicates with the left side of the back face of the box body. When the equipment is used for testing the oxygen permeability of the packaging material, the packaging material can be efficiently and quickly replaced, active air suction work can be carried out during the oxygen permeability test, and the oxygen permeability of the packaging material can be detected in an extreme environment; in addition, oxygen for detection can be recycled after detection is completed, and great convenience is brought to detection work.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging materials, and particularly relates to a combined packaging material oxygen permeability test device. Background Technique

[0002] Packaging materials refer to the materials used for manufacturing packaging containers, packaging decoration, packaging printing, packaging transportation, etc. to meet the packaging requirements of products. It includes main packaging materials such as metals, plastics, glass, ceramics, paper, bamboo, wild mushrooms, natural fibers, chemical fibers, composite materials, etc., and also includes auxiliary materials such as strapping tapes, decoration, printing materials, etc. When using some packaging materials, it is necessary to test their oxygen permeability to ensure that the packaged products will not be oxidized. In order to know the oxygen permeability of these packaging materials, an oxygen permeability test device needs to be used to detect the packaging materials.

[0003] Chinese Patent with publication number CN205138968U discloses an oxygen permeability analyzer, which includes a machine shell. A test platform is provided on the machine shell. The test platform includes a base plate, and a test container is provided on the base plate. The test container is used to fix the test sample. This oxygen permeability analyzer fills the technical gap in terms of the authenticity of the simulated circulation environment and the broadness of the measurement range.

[0004] However, the existing packaging material oxygen permeability test device still has some defects in use. For example, it is not very convenient to replace the packaging material, and it is difficult to perform active suction work during the test, and the oxygen after the test cannot be recycled.

[0005] In view of this, the present utility model is particularly proposed. Content of the Utility Model

[0006] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a combined packaging material oxygen permeability test device, which solves the problems raised in the above background technique.

[0007] To solve the above technical problems, the basic concept of the technical solution adopted by the present utility model is:

[0008] A combined packaging material oxygen permeability test device includes: a box body, an air suction pump, a gas flow sensor, and a clamping frame. An air inlet pipe is connected to the left side of the box body, an air suction pump is connected to the right side of the box body, the right end of the air suction pump is connected to the gas flow sensor, the right end of the gas flow sensor is connected to a three-way pipe, the back of the three-way pipe is connected to a return pipe, the other end of the return pipe is connected to the left side of the back of the box body, and locking nuts are sleeved on the surface of the air inlet pipe and the right end of the three-way pipe;

[0009] The top of the box body is provided with an insertion interface. A sealing groove is provided at the top of the insertion interface. A sealing ring is placed in the inner cavity of the sealing groove. A clamping frame is inserted into the inner cavity of the insertion interface. The surface of the clamping frame is in close contact with the top of the sealing ring. Packaging materials are clamped in the inner cavity of the clamping frame. A sealing sleeve is sleeved on the surface of the clamping frame;

[0010] Both sides of the top of the box body and located at the two sides of the insertion interface are fixedly connected with connecting blocks. A pin hole is provided inside the connecting block. Installation grooves are provided at the top of the inner cavity of the clamping frame. Both sides of the inner cavity of the installation groove are fixedly connected with bearing seats. A threaded rod is fixedly connected inside the bearing seat. A threaded tube is threadedly connected to the surface of the threaded rod. The other end of the threaded tube extends into the inner cavity of the pin hole. Opposite ends of the two threaded rods are fixedly connected with driven bevel gears. A driving bevel gear is meshed with the back surfaces of the two driven bevel gears. A transmission shaft is fixedly connected between the three driving bevel gears. One end of the transmission shaft is fixedly connected to the inner wall of the installation groove through a bearing. The other end of the transmission shaft penetrates to the outside of the clamping frame and is fixedly connected with a hand wheel.

[0011] Optionally, the intake pipe is communicated with the oxygen tank through a locking nut. The right end of the three-way pipe is communicated with the air collection tank through a locking nut.

[0012] By adopting the above technical solutions: It can realize efficient and rapid pipeline connection work, thus facilitating the subsequent detection work.

[0013] Optionally, grooves are provided at the connection between the intake pipe and the locking nut and at the connection between the right end of the three-way pipe and the locking nut. An O-ring is sleeved in the inner cavity of the groove.

[0014] By adopting the above technical solutions: Through the provided O-ring, the sealing performance of the connection between the two pipelines can be guaranteed, and the phenomenon of leakage will not occur, thus ensuring the accuracy of the detection results.

[0015] Optionally, electromagnetic valves are fixedly connected to both ends of the inner cavity of the return pipe. A controller is fixedly connected to the surface of the box body. The controller is electrically connected to the electrical equipment through a wire.

[0016] By adopting the above technical solutions: By setting the electromagnetic valve, the return pipe can be sealed, and its sealing performance can be guaranteed when it is not working.

[0017] Optionally, the cross-sections of the pin hole and the threaded tube are both designed in a rectangular shape, and the two ends of the installation groove are also designed in a rectangular shape.

[0018] By adopting the above technical solution: by designing both ends of the pin hole, the threaded pipe and the installation groove in a rectangular shape, the function of limiting can be achieved, and the threaded pipe can be prevented from rotating with the threaded rod, enabling it to move stably left and right.

[0019] Optionally, the number of the installation grooves is three, and they are equidistantly distributed front and back.

[0020] By adopting the above technical solution: by setting three installation grooves, multiple groups of clamping structures can be installed, thereby enabling the stability of the connection.

[0021] Optionally, the number of the threaded rods is six, and two are in a group. The threads on the surfaces of the two threaded rods in each group are designed in the reverse direction.

[0022] By adopting the above technical solution: by designing the threads on the surfaces of the two threaded rods in the reverse direction, the opposite movement of the two threaded pipes can be achieved under the transmission of the same power.

[0023] Optionally, the clamping frame includes a main frame and a sub-frame. The main frame and the sub-frame are movably connected by a buckle. An engaging groove for engaging the packaging material is provided on the left side of the main frame, and a pressing strip for cooperating with the engaging groove is fixedly connected to the right side of the sub-frame.

[0024] By adopting the above technical solution: the packaging material can be conveniently and quickly replaced.

[0025] After adopting the above technical solution, the present utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described below at the same time:

[0026] By using the present device to test the oxygen permeability of the packaging material, the present utility model can achieve efficient and rapid replacement of the packaging material, and can perform active air suction during the oxygen permeability test, enabling the detection of the oxygen permeability of the packaging material in extreme environments, and can recycle the oxygen used for detection after the detection, bringing great convenience to the detection work.

[0027] The following further describes in detail the specific implementation manners of the present utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The following drawings in the description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the attached

[0029] In the figure:

[0030] Figure 1 is the front view schematic diagram of the structure of the present utility model;

[0031] Figure 2 This is the rear view schematic diagram of the structure of the present utility model;

[0032] Figure 3 This is the sectional view schematic diagram of the structure of the present utility model;

[0033] Figure 4 This is the top view schematic diagram of the partial structure of the present utility model;

[0034] Figure 5 This is the three-dimensional schematic diagram of the clamping frame of the present utility model;

[0035] Figure 6 This is the schematic diagram of the connection structure between the threaded rod and the threaded pipe of the present utility model;

[0036] Figure 7 This is the exploded view of the clamping frame of the present utility model

[0037] Figure 8 This is the present utility model Figure 3 The enlarged schematic diagram of the structure at A in the present utility model.

[0038] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0039] 1. Box body; 2. Suction pump; 3. Gas flow sensor; 4. Clamping frame; 401. Main frame; 402. Sub-frame; 403. Fitting groove; 404. Pressing strip; 5. Air inlet pipe; 6. Three-way pipe; 7. Return pipe; 8. Locking nut; 9. Socket; 10. Sealing groove; 11. Sealing ring; 12. Sealing sleeve; 13. Connecting block; 14. Pin hole; 15. Installation groove; 16. Bearing seat; 17. Threaded rod; 18. Threaded pipe; 19. Driven bevel gear; 20. Driving bevel gear; 21. Transmission shaft; 22. Hand wheel; 23. O-ring; 24. Controller.

[0040] It should be noted that these attached drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0041] Now, the present utility model will be further described in detail with reference to the attached drawings.

[0042] Embodiment 1

[0043] Please refer to Figures 1-8As shown in the figure, in this embodiment, a combined packaging material oxygen permeability test device is provided, including: a box body 1, an air suction pump 2, a gas flow sensor 3, and a clamping frame 4. The left side of the box body 1 is connected to an air inlet pipe 5, the right side of the box body 1 is connected to an air suction pump 2, the right end of the air suction pump 2 is connected to a gas flow sensor 3, the right end of the gas flow sensor 3 is connected to a three-way pipe 6, the back of the three-way pipe 6 is connected to a return pipe 7, and the other end of the return pipe 7 is connected to the left side of the back of the box body 1. Locking nuts 8 are sleeved on the surface of the air inlet pipe 5 and the right end of the three-way pipe 6;

[0044] An insertion port 9 is opened at the top of the box body 1. A sealing groove 10 is opened at the top of the insertion port 9. A sealing ring 11 is placed in the inner cavity of the sealing groove 10. A clamping frame 4 is inserted into the inner cavity of the insertion port 9. The surface of the clamping frame 4 is in close contact with the top of the sealing ring 11. A packaging material is clamped in the inner cavity of the clamping frame 4. A sealing sleeve 12 is sleeved on the surface of the clamping frame 4;

[0045] Connection blocks 13 are fixedly connected to both sides of the top of the box body 1 and located at the two sides of the insertion port 9. A pin hole 14 is opened inside the connection block 13. An installation groove 15 is opened at the top of the inner cavity of the clamping frame 4. Bearing seats 16 are fixedly connected to both sides of the inner cavity of the installation groove 15. A threaded rod 17 is fixedly connected to the inner cavity of the bearing seat 16. A threaded pipe 18 is threadedly connected to the surface of the threaded rod 17. The other end of the threaded pipe 18 extends into the inner cavity of the pin hole 14. Driven bevel gears 19 are fixedly connected to the opposite ends of the two threaded rods 17. A driving bevel gear 20 is engaged with the back of the two driven bevel gears 19. A transmission shaft 21 is fixedly connected between the three driving bevel gears 20. One end of the transmission shaft 21 is fixedly connected to the inner wall of the installation groove 15 through a bearing. The other end of the transmission shaft 21 penetrates to the outside of the clamping frame 4 and is fixedly connected to a hand wheel 22.

[0046] Embodiment Two

[0047] Please refer to Figures 1-8, on the basis of the first specific embodiment, the intake pipe 5 is connected to the oxygen tank through a lock nut 8, the right end of the tee pipe 6 is connected to the air collection tank through a lock nut 8, grooves are provided at the connection between the intake pipe 5 and the lock nut 8 and at the connection between the right end of the tee pipe 6 and the lock nut 8, an O-ring 23 is sleeved in the inner cavity of the groove, solenoid valves are fixedly connected to both ends of the inner cavity of the return pipe 7, a controller 24 is fixedly connected to the surface of the box body 1, and the controller 24 is electrically connected to the electrical equipment through a wire. The cross-sections of the pin hole 14 and the threaded pipe 18 are both designed as rectangles, and the two ends of the installation groove 15 are also designed as rectangles. The number of installation grooves 15 is three, and they are equidistantly distributed front and back. The number of threaded rods 17 is six, and they are grouped in pairs. The threads on the surfaces of the two threaded rods 17 in each group are designed in the reverse direction. The clamping frame 4 includes a main frame 401 and a sub-frame 402. The main frame 401 and the sub-frame 402 are movably connected through a buckle. A fitting groove 403 for fitting the packaging material is provided on the left side of the main frame 401, and a pressing strip 404 for cooperating with the fitting groove 403 is fixedly connected to the right side of the sub-frame 402.

[0048] Specifically: By adopting the above technical solutions, efficient and rapid pipeline connection work can be achieved, which can facilitate the subsequent detection work. By setting the O-ring 23, the sealing performance of the connection between the two pipelines can be ensured, and no leakage phenomenon will occur, thus ensuring the accuracy of the detection results. By adopting the above technical solutions, by setting the solenoid valve, the return pipe 7 can be sealed, and its sealing performance can be ensured when it is not working. By designing the two ends of the pin hole 14, the threaded pipe 18 and the installation groove 15 as rectangles, the limiting function can be achieved, and the threaded pipe 18 can be prevented from rotating with the threaded rod 17, enabling it to move left and right stably. By setting three installation grooves 15, multiple sets of clamping structures can be installed, thus achieving the stability of the connection. By designing the threads on the surfaces of the two threaded rods 17 in the reverse direction, the opposite movement of the two threaded pipes 18 can be achieved under the drive of the same power, which can facilitate and quickly replace the packaging material.

[0049] During use: Place the packaging material in the inner cavity of the fitting groove 403, then snap-connect the main frame 401 and the auxiliary frame 402 through the snap fasteners to fix the packaging material. Then, put the sealing sleeve 12 on the surface of the clamping frame 4, insert the clamping frame 4 into the inner cavity of the insertion port 9. At the same time, place the sealing ring 11 in the inner cavity of the sealing groove 10. Then, press down the clamping frame 4 forcefully. At the same time, rotate the handwheel 22. The handwheel 22 drives the transmission shaft 21 to rotate. The transmission shaft 21 drives the driving bevel gear 20 to rotate. The driving bevel gear 20 drives the driven bevel gear 19 to rotate. The driven bevel gear 19 drives the threaded rod 17 to rotate. The threaded rod 17 drives the threaded tube 18 to move. When the threaded tube 18 enters the inner cavity of the pin hole 14, the clamping frame 4 can be firmly installed. Then, connect the air inlet pipe 5 to the oxygen cylinder through the lock nut 8. Connect the air collection tank to the right end of the three-way pipe 6 through the lock nut 8. Then, turn on the valve of the oxygen cylinder. At this time, oxygen enters the left side of the inner cavity of the box body 1. Detect for a certain period of time. Then, start the air suction pump 2. The air suction pump 2 works to generate suction. Then, the oxygen seeping from the right side of the inner cavity of the box body 1 can be sent into the inner cavity of the air collection tank. The leaked gas collected is detected by the gas flow sensor 3. And the content of the oxygen cylinder is fixed. Just divide the collected oxygen amount by the total oxygen amount to obtain the oxygen permeability rate. After the detection is completed, open the solenoid valve in the inner cavity of the return pipe 7 to recycle and reuse the oxygen on the left side of the inner cavity of the box body 1.

[0050] The present utility model is not limited to the above embodiments. Anyone should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, fall within the protection scope of the present utility model. The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.

Claims

1. A combined packaging material oxygen permeability test device, characterized in that: include: A box body (1), an air suction pump (2), a gas flow sensor (3) and a clamping frame (4); the left side of the box body (1) is connected to an air intake pipe (5); the right side of the box body (1) is connected to an air suction pump (2); the right end of the air suction pump (2) is connected to a gas flow sensor (3); the right end of the gas flow sensor (3) is connected to a three-way pipe (6); the back side of the three-way pipe (6) is connected to a return pipe (7); the other end of the return pipe (7) is connected to the left side of the back side of the box body (1); the surface of the air intake pipe (5) and the right end of the three-way pipe (6) are both sleeved with locking nuts (8); The box body (1) is provided with an insertion port (9) at the top, a sealing groove (10) is provided at the top of the insertion port (9), a sealing ring (11) is placed in the inner cavity of the sealing groove (10), a clamping frame (4) is inserted into the inner cavity of the insertion port (9), the surface of the clamping frame (4) is in close contact with the top of the sealing ring (11), the inner cavity of the clamping frame (4) clamps the packaging material, and the surface of the clamping frame (4) is sleeved with a sealing sleeve (12); A connection block (13) is fixedly connected to the top of the box body (1) and on both sides of the plug interface (9), a pin hole (14) is provided on the inner side of the connection block (13), a mounting groove (15) is provided on the top of the inner cavity of the clamping frame (4), a bearing seat (16) is fixedly connected to both sides of the inner cavity of the mounting groove (15), a threaded rod (17) is fixedly connected to the inner cavity of the bearing seat (16), a threaded tube (18) is threadedly connected to the surface of the threaded rod (17), and the other side of the threaded tube (18) is fixedly connected to the inner cavity of the bearing seat (16). One end extends to the inner cavity of the pin hole (14); the opposite ends of the two threaded rods (17) are fixedly connected to driven bevel gears (19); the backs of the two driven bevel gears (19) are meshed with driving bevel gears (20); a transmission shaft (21) is fixedly connected between the three driving bevel gears (20); one end of the transmission shaft (21) is fixedly connected to the inner wall of the mounting groove (15) through a bearing; the other end of the transmission shaft (21) passes through the outside of the clamping frame (4) and is fixedly connected to a hand wheel (22).

2. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: The air inlet pipe (5) is connected to the oxygen tank via a locking nut (8), and the right end of the three-way pipe (6) is connected to the air collection tank via a locking nut (8).

3. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: A groove is provided at the connection between the air inlet pipe (5) and the locking nut (8) and at the connection between the right end of the tee pipe (6) and the locking nut (8), and an O-ring (23) is sleeved in the inner cavity of the groove.

4. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: Both ends of the inner cavity of the return pipe (7) are fixedly connected to electromagnetic valves, and the surface of the box body (1) is fixedly connected to a controller (24), and the controller (24) is electrically connected to the electrical equipment through a wire.

5. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: The cross sections of the pin hole (14) and the threaded tube (18) are both rectangular in design, and both ends of the mounting groove (15) are also rectangular in design.

6. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: The number of the mounting grooves (15) is three and they are distributed equidistantly from front to back.

7. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: The number of the threaded rods (17) is six, and two of them form a group. The threads on the surfaces of the two threaded rods (17) in each group are designed in reverse.

8. The combined packaging material oxygen permeability test device according to claim 1, characterized in that: The clamping frame (4) comprises a main frame (401) and a sub-frame (402); the main frame (401) and the sub-frame (402) are movably connected via a buckle; a fitting groove (403) for fitting packaging materials is provided on the left side of the main frame (401); and a pressing strip (404) for matching the fitting groove (403) is fixedly connected to the right side of the sub-frame (402).

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